Home / 15,681.94-23,530.97-10,420.58

Finding the Fourth Proportional to 15,681.94, 23,530.97 and 10,420.58

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Solution

The fourth proportional to 15,681.94, 23,530.97 and 10,420.58 is: 15,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.94 : 23,530.97 = 10,420.58 : x
  2. Step 2: Convert to fraction form
    15,681.94/23,530.97 = 10,420.58/x
  3. Step 3: Cross multiply
    15,681.94x = 23,530.97 × 10,420.58
  4. Step 4: Simplify right side
    15,681.94x = 245,206,440.24
  5. Step 5: Solve for x
    x = 245,206,440.24/15,681.94
  6. Step 6: Final answer
    x = 15,636.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.